"We didn't do anything together for too long, so restarting took a lot of time," he said of the creative process.

He also revealed that there is "a very old song" on each Radiohead album, essentially reworkings and tweakings of songs that have circulated for years. 2007 album In Rainbows had 'Nude' – and apparently the next oldie is 'Lift', a song that apparently dates back to 1996:

"We never found the right arrangement for ['Nude'], until then," he said. "'Lift' is just like that. When the idea is right, it stays right. It doesn't really matter in which form." Reacquaint yourself with, or discover, 'Lift' via the live version below.